AU2003271714A1 - Method and corresponding arrangement for dc offset compensation using channel estimation - Google Patents

Method and corresponding arrangement for dc offset compensation using channel estimation

Info

Publication number
AU2003271714A1
AU2003271714A1 AU2003271714A AU2003271714A AU2003271714A1 AU 2003271714 A1 AU2003271714 A1 AU 2003271714A1 AU 2003271714 A AU2003271714 A AU 2003271714A AU 2003271714 A AU2003271714 A AU 2003271714A AU 2003271714 A1 AU2003271714 A1 AU 2003271714A1
Authority
AU
Australia
Prior art keywords
channel estimation
offset compensation
corresponding arrangement
arrangement
compensation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2003271714A
Other languages
English (en)
Inventor
Shousheng He
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP20020388073 external-priority patent/EP1422894B1/en
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2003271714A1 publication Critical patent/AU2003271714A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU2003271714A 2002-11-20 2003-10-09 Method and corresponding arrangement for dc offset compensation using channel estimation Abandoned AU2003271714A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP20020388073 EP1422894B1 (en) 2002-11-20 2002-11-20 Method and corresponding arrangement for DC offset compensation using channel estimation
EP02388073.5 2002-11-20
US42961802P 2002-11-26 2002-11-26
US60/429,618 2002-11-26
PCT/EP2003/011224 WO2004047388A1 (en) 2002-11-20 2003-10-09 Method and corresponding arrangement for dc offset compensation using channel estimation

Publications (1)

Publication Number Publication Date
AU2003271714A1 true AU2003271714A1 (en) 2004-06-15

Family

ID=32327867

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003271714A Abandoned AU2003271714A1 (en) 2002-11-20 2003-10-09 Method and corresponding arrangement for dc offset compensation using channel estimation

Country Status (5)

Country Link
US (1) US7555079B2 (ja)
JP (1) JP4414342B2 (ja)
KR (1) KR100984405B1 (ja)
AU (1) AU2003271714A1 (ja)
WO (1) WO2004047388A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8559559B2 (en) * 2002-06-20 2013-10-15 Qualcomm, Incorporated Method and apparatus for compensating DC offsets in communication systems
US7643582B2 (en) * 2004-06-09 2010-01-05 Marvell World Trade Ltd. Method and system for determining symbol boundary timing in a multicarrier data transmission system
US8126085B2 (en) * 2004-11-22 2012-02-28 Intel Corporation Method and apparatus to estimate channel tap
KR100744303B1 (ko) * 2006-09-12 2007-07-30 삼성전자주식회사 Ｔｄｍａ 방식을 기반으로 하는 휴대단말기에서정전용량방식의 터치스크린의 오동작 방지 방법 및 장치
JP2008300958A (ja) * 2007-05-29 2008-12-11 Panasonic Corp 動的ｄｃオフセット除去装置及び動的ｄｃオフセット除去方法
KR101138146B1 (ko) * 2010-08-02 2012-04-23 한국항공우주연구원 수신기의 ｄｃ 오프셋 제거방법
US8599820B2 (en) * 2010-09-21 2013-12-03 Anite Finland Oy Apparatus and method for communication
US8620239B2 (en) * 2011-01-14 2013-12-31 Qualcomm Incorporated Dynamic DC-offset determination for proximity sensing
KR102083580B1 (ko) * 2013-08-09 2020-03-02 삼성전자주식회사 부호 검출을 위한 임계값을 결정하는 방법 및 장치
JP6540295B2 (ja) * 2015-07-09 2019-07-10 富士通株式会社 適応等化回路、ディジタルコヒーレント受信器および適応等化方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606102C2 (de) 1996-02-19 1998-09-03 Siemens Ag Verfahren zum Ausgleich des Gleichspannungsstöranteils von Empfangssignalen und derartig ausgestaltete Empfangseinrichtung bzw. Funkstation
DE19733336A1 (de) * 1997-08-01 1999-02-18 Siemens Ag Verfahren und Funkstation zur Datenübertragung
EP0954142A1 (en) 1998-04-28 1999-11-03 Lucent Technologies Inc. Channel estimation using a sliding window technique
US6504884B1 (en) * 1999-05-12 2003-01-07 Analog Devices, Inc. Method for correcting DC offsets in a receiver
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver
US6449320B1 (en) 1999-07-02 2002-09-10 Telefonaktiebolaget Lm Ericsson (Publ) Equalization with DC-offset compensation
EP1224781A1 (en) 1999-10-27 2002-07-24 Nokia Corporation Dc offset correction in a mobile communication system
GB2355900B (en) * 1999-10-29 2004-03-17 Ericsson Telefon Ab L M Radio receiver
US6901121B1 (en) * 2001-02-20 2005-05-31 Comsys Communication & Signal Processing Ltd. Compensation of DC offset impairment in a communications receiver
US7058144B2 (en) * 2001-08-07 2006-06-06 Conexant, Inc. Intelligent control system and method for compensation application in a wireless communications system
GB0123290D0 (en) * 2001-09-27 2001-11-21 Nokia Corp DC offset correction in a mobile communication system

Also Published As

Publication number Publication date
JP2006506867A (ja) 2006-02-23
WO2004047388A1 (en) 2004-06-03
KR20050086724A (ko) 2005-08-30
KR100984405B1 (ko) 2010-09-29
US7555079B2 (en) 2009-06-30
US20060133547A1 (en) 2006-06-22
JP4414342B2 (ja) 2010-02-10

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase